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arxiv: math/0410368 · v1 · submitted 2004-10-16 · 🧮 math.GT · math.GN

Universal acyclic resolutions for arbitrary coefficient groups

classification 🧮 math.GT math.GN
keywords everyacycliccompactumintegerabelianarbitrarycoefficientgroup
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We prove that for every compactum $X$ and every integer $n \geq 2$ there are a compactum $Z$ of $\dim \leq n+1$ and a surjective $UV^{n-1}$-map $r: Z \lo X$ such that for every abelian group $G$ and every integer $k \geq 2$ such that $\dim_G X \leq k \leq n$ we have $\dim_G Z \leq k$ and $r$ is $G$-acyclic.

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